11110121002 has 8 divisors (see below), whose sum is σ = 16667374212. Its totient is φ = 5554329600.

The previous prime is 11110120999. The next prime is 11110121021. The reversal of 11110121002 is 20012101111.

It can be written as a sum of positive squares in 2 ways, for example, as 11073142441 + 36978561 = 105229^2 + 6081^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 11110121002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 346249 + ... + 376972.

Almost surely, 2^11110121002 is an apocalyptic number.

11110121002 is a deficient number, since it is larger than the sum of its proper divisors (5557253210).

11110121002 is an equidigital number, since it uses as much as digits as its factorization.

11110121002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730904.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 11110121002 its reverse (20012101111), we get a palindrome (31122222113).

The spelling of 11110121002 in words is "eleven billion, one hundred ten million, one hundred twenty-one thousand, two".